Merge pull request #232 from smallstep/dependabot/github_actions/actions/checkout-6

Bump actions/checkout from 5 to 6

Author: step-ci

.github/workflows/docker-image.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Prepare
         id: prepare
         run: |